Seiko 2107 Movement Details
Seiko caliber 2107 is a hand winding watch movement. Production was in the 1960s.
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|Day / date?||Date only|
|GMT / world time?||No|
|Number of jewels:||17, 21 or 23|
|Size / diameter:||17.8mm x 15.3mm|
|Notes:||Used in ladies watches.|